Coronary Computed Tomography AngioGraphy Prior to Catheter Ablation in Patients With Atrial FIBrillation

Inclusion Criteria: * Age over 18 years. * Referral for catheter ablation treatment (excluding AV-junction ablation) for atrial fibrillation (both paroxysmal and persistent atrial fibrillation) at the Department of Cardiology at Gentofte Hospital. Both first ablation and re-ablation treatments are included. * The ability and willingness to provide written informed consent. Exclusion Criteria: * Known atherosclerotic cardiovascular disease (ASCVD). * Ongoing treatment with statins. * Contraindications for coronary CT angiography, e.g. contrast allergy * Recent coronary CT angiography including CAC-score without positive findings \<3 years prior to screening. * Any surgical or medical condition, which in the opinion of the investigator, may place the patient at higher risk from his/her participation in the study, or is likely to prevent the patient from complying with the requirements of the study or completing the study.